(b)(4).A lot number was not provided.A device history record review was performed based upon a lot number from sales history data.A device history record review was performed on the lor syringe with no relevant findings.A design history review was performed for part # kz-05501-002 as a part of this complaint investigation.Per eco-051699 (released 03-dec-2018), supplier (preox) made the following changes: kz-05501-002 luer plastic lor syringe: changed plunger material from profax 535 to profax 531.Changed to new plunger tool.Changed to new mold for blue stopper.Changed molding location for the plunger and the blue stopper as follows.Plunger: from fleimaplastic in germany to gpe, germany.Blue stopper: from et, germany to psilkon, germany.These effective changes did impact product design and material.Complaint verification testing could not be performed as no sample was provided for analysis.A lot number was not provided.A lot number was not provided.However, the customer did provide photos of the lidstock.A device history record review was performed based upon a lot number from sales history data.A device history record review was performed on the lor syringe with no evidence to suggest a manufacturing related cause.Therefore, the potential cause of this complaint could not be determined based upon the information provided and without the sample.
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